Though he failed in the experiment again and again, he didn’t , and at last, he made it.
A. lose his heart
B. lose heart
C. break his heart
D. make up his mind
网友回答
A. lose his heart
(答案→)B. lose heart
C. break his heart
D. make up his mind
解析:词义辨析题。A. lose his heart 爱上 B. lose heart 灰心 C. break his heart 伤心 D. make up his mind 下决心 虽然他的实验一次次失败但是他没有灰心最终他成功了。根据句意选B